GB747280A - Process for drying phosgene - Google Patents

Process for drying phosgene

Info

Publication number
GB747280A
GB747280A GB1716/54A GB171654A GB747280A GB 747280 A GB747280 A GB 747280A GB 1716/54 A GB1716/54 A GB 1716/54A GB 171654 A GB171654 A GB 171654A GB 747280 A GB747280 A GB 747280A
Authority
GB
United Kingdom
Prior art keywords
phosgene
activated carbon
condenser
hydrogen chloride
packed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB1716/54A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Original Assignee
Bayer AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer AG filed Critical Bayer AG
Publication of GB747280A publication Critical patent/GB747280A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/70—Compounds containing carbon and sulfur, e.g. thiophosgene
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/80—Phosgene

Abstract

Moist phosgene is dried by contacting with activated carbon, preferably at room temperature when the reaction, H2O + COCl2 --> CO2 + 2HCl takes place. The phosgene may be passed through a drying chamber, e.g. a tower, packed with activated carbon. Alternatively the phosgene may be contacted with the activated carbon in co- or counter-current flow. In the separation of phosgene and hydrogen chloride in mixtures such as produced in the phosgenation of amines by passing the mixture through a condenser for the phosgene and subsequently through water for the absorption of the hydrogen chloride, a tube packed with charcoal may be inserted between the condenser and absorption vessel to prevent diffusion of water vapour into the phosgene.
GB1716/54A 1953-01-24 1954-01-20 Process for drying phosgene Expired GB747280A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE747280X 1953-01-24

Publications (1)

Publication Number Publication Date
GB747280A true GB747280A (en) 1956-03-28

Family

ID=6648594

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1716/54A Expired GB747280A (en) 1953-01-24 1954-01-20 Process for drying phosgene

Country Status (3)

Country Link
US (1) US2773898A (en)
FR (1) FR1091528A (en)
GB (1) GB747280A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3305300A (en) * 1962-10-03 1967-02-21 Wyandotte Chemicals Corp Carbon tetrachloride ore chlorination process
US3376113A (en) * 1965-05-13 1968-04-02 Dow Chemical Co Catalytic hydrolysis of phosgene

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1360312A (en) * 1919-10-29 1920-11-30 Peacock Samuel Process of making carbonyl chlorid
US1457493A (en) * 1922-01-11 1923-06-05 Donald B Bradner Process of making phosgene
US2638999A (en) * 1947-12-13 1953-05-19 Union Oil Co Adsorption process

Also Published As

Publication number Publication date
FR1091528A (en) 1955-04-13
US2773898A (en) 1956-12-11

Similar Documents

Publication Publication Date Title
ES330858A1 (en) A cyclical procedure to separate hydrogen from a gaseous mixture. (Machine-translation by Google Translate, not legally binding)
GB902713A (en) Process of producing anhydrous urea
GB898321A (en) Separation of carbon dioxide from a mixture with ethylene
GB747280A (en) Process for drying phosgene
ES413996A1 (en) Process for the removal of carbon dioxide and/or hydrogen sulphide and other acidic gases from gas mixtures
GB1009345A (en) Process for obtaining alkali metal cyanides
GB1129637A (en) Process for separating chlorine from phosgene
ES385800A1 (en) Process for treating gases in the ammonia synthesis
US3063218A (en) Chlorine dioxide separation
GB963478A (en) recovery of acrylonitrile
GB867574A (en) Improvements in or relating to processes for removing one gas from a mixture of gases
GB798576A (en) Method for chlorine recovery
ES392053A1 (en) Process for dehydrating effluent gases discharged from an ammonia synthesis reactor
GB742386A (en) Manufacture of ammonium bicarbonate
SU362629A1 (en) ALL-UNION 11ASTTNS-TEXSH; '! ЕС1 (АЯ
GB788404A (en) Gas recovery process
GB1267262A (en)
Francis et al. CCCXCIII.—The reactions between oxygen and coal
GB906413A (en) Improvements in or relating to removal of dissolved carbon dioxide
ES307741A1 (en) Procedure and apparatus for recovering a gas or steam from a gaseous mixture. (Machine-translation by Google Translate, not legally binding)
GB1073855A (en) Chemical process
GB916187A (en) Process for the preparation of pure melamine
GB818155A (en) Process for obtaining so from low-grade waste gases
GB877906A (en) A process for the manufacture of cyanuric chloride
GB848337A (en) Improvements in or relating to the production of hydrocyanic acid